diff --git a/src/config_file.hh b/src/config_file.hh
index cf7f8e4..891cc97 100644
--- a/src/config_file.hh
+++ b/src/config_file.hh
@@ -1,67 +1,73 @@
-/*
-
- config_file.hh - This file is part of MUSIC -
- a code to generate multi-scale initial conditions
- for cosmological simulations
-
- Copyright (C) 2010 Oliver Hahn
-
- */
+// This file is part of monofonIC (MUSIC2)
+// A software package to generate ICs for cosmological simulations
+// Copyright (C) 2020 by Oliver Hahn
+//
+// monofonIC is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// monofonIC is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see .
-#ifndef __CONFIG_FILE_HH
-#define __CONFIG_FILE_HH
+#pragma once
-#include
-#include
-#include